STM Stock Replacement Coolant Overflow Reservoir for Evo 7/8/9

The STM Evo 7/8/9 coolant overflow reservoir is a direct replacement for your stock, plastic tank. Features a lightweight aluminum construction, handmade in-house at STM. Includes a black anodized cap, stainless allen bolts and washers, brass drain fitting and high-quality silicone hose for a clean and simple install.

Vehicle Fitment:
2001-2006 Evolution VII VIII IX

Features:
• Tig Welded 6061 Aluminum
• Stainless Hardware & Brass Fitting
• High-Quality Silicone Hose
• Bolts to Factory Location
• Replacement for OEM part number MR464624
• Weighs 1.48 pounds

STM Products are made in the USA!
Lifetime Warranty on STM Parts to the original purchaser against manufacturing defects.

Includes:
(1) STM Reservoir with STM Cap
(1) 4 Foot Length 6mm Silicone Hose
(1) 90° 1/4" NPT to 3/8" Brass Barb Fitting (69945)
(2) M6x16 Stainless Allen Cap Bolts
(2) M6 Stainless Flat Washers

Shipping Times: 1-14 Days
Hand crafted and welded in New York, please give our fabricators time to assemble your parts!

Updated Apr 2025:
Now includes the new 3" billet STM cap. The old style is pictured installed. We will have updated photos soon!